{"product_id":"cnc-19mm-gp-brake-master-cylinder-pump-22mm-handlebar","title":"CNC 19MM GP Brake Master Cylinder Pump for 22MM Handlebar","description":"\u003cp\u003eUpgrade your motorcycle or electric motorcycle's braking system with this precision-engineered \u003cstrong\u003eCNC 19MM Piston GP Master Cylinder Brake Pump\u003c\/strong\u003e. Built for performance riders and motorsport enthusiasts, this direct-push hydraulic brake master cylinder delivers responsive, confident braking with race-inspired engineering straight from the factory team GP lineup.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose This GP Brake Master Cylinder?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7075 Aluminum Alloy Pump Body\u003c\/strong\u003e – Aircraft-grade alloy known for exceptional strength and rigidity, finished with a hard oxidation coating for a durable black-brown surface that resists wear and corrosion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6063 Aluminum Alloy Lever\u003c\/strong\u003e – Lightweight yet tough lever construction for precise, comfortable actuation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e19MM CNC Piston\u003c\/strong\u003e – Machined to tight tolerances for consistent hydraulic pressure and precise braking control on most motorcycles and electric motorcycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFits 22MM Handlebars\u003c\/strong\u003e – Designed specifically for standard 22MM diameter handlebars, ensuring a secure, rattle-free fit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Push-Up Design\u003c\/strong\u003e – Streamlined push-up pump mechanism for quick installation and a clean, sport-forward handlebar setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeft or Right Master Cylinder\u003c\/strong\u003e – Available in both left-hand and right-hand configurations to suit your setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with Straight Oil Can \u0026amp; Carbon Fiber Rod\u003c\/strong\u003e – Versatile compatibility for custom builds and factory-style upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGP Brake Master Cylinder Pump (19MM piston)\u003c\/li\u003e\n  \u003cli\u003eItalian egg cotton box\u003c\/li\u003e\n  \u003cli\u003eOil reservoir pot\u003c\/li\u003e\n  \u003cli\u003eMounting bracket\u003c\/li\u003e\n  \u003cli\u003eBrake hose with screw kit\u003c\/li\u003e\n  \u003cli\u003eInstruction manual\u003c\/li\u003e\n  \u003cli\u003eWarranty card\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFull Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Body Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7075 Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLever Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6063 Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Treatment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHard Oxidation Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19MM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandlebar Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22MM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLeft or Right Master Cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eRelated Products You May Like\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-50-psi-dial-tire-pressure-gauge-car-motorcycle-bike\"\u003e0–50 PSI Dial Tire Pressure Gauge – Car, Motorcycle \u0026amp; Bike\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-5l-electric-high-pressure-foam-sprayer-portable-car-wash-gun\"\u003e1.5L Electric Foam Sprayer – Portable High-Pressure Car Wash Gun\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSafety \u0026amp; Standards\u003c\/h2\u003e\n\u003cp\u003eProper motorcycle brake system maintenance and upgrades are critical for rider safety. For guidance on motorcycle safety standards, visit the U.S. Consumer Product Safety Commission (CPSC), which provides consumer safety information for powersport and vehicle components.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What handlebar size is this GP brake master cylinder compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This CNC 19MM piston GP brake master cylinder is specifically designed to fit \u003cstrong\u003e22MM diameter handlebars\u003c\/strong\u003e, which is the most common standard size found on motorcycles and electric motorcycles worldwide.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this brake pump on both the left and right side of my handlebar?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This master cylinder is available in both \u003cstrong\u003eleft master cylinder\u003c\/strong\u003e and \u003cstrong\u003eright master cylinder\u003c\/strong\u003e configurations. Please select your preferred side when ordering.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What materials are used in this GP master cylinder?\u003c\/h4\u003e\n\u003cp\u003eA: The pump body is constructed from high-strength \u003cstrong\u003e7075 series aluminum alloy\u003c\/strong\u003e with a hard oxidation surface coating, while the lever is made from \u003cstrong\u003e6063 aluminum alloy\u003c\/strong\u003e. Both alloys are chosen for their excellent strength-to-weight ratio, making this a durable and lightweight upgrade.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this brake pump compatible with a straight oil can or carbon fiber rod?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this GP pump is fully compatible with a \u003cstrong\u003estraight oil reservoir can\u003c\/strong\u003e and a \u003cstrong\u003ecarbon fiber rod\u003c\/strong\u003e, making it an excellent choice for custom motorcycle builds and sport upgrades.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What accessories are included with the brake master cylinder?\u003c\/h4\u003e\n\u003cp\u003eA: The package includes an Italian egg cotton box, oil reservoir pot, mounting bracket, brake hose with screw kit, instruction manual, and warranty card — everything you need for installation.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What handlebar size is this GP brake master cylinder compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This CNC 19MM piston GP brake master cylinder is specifically designed to fit 22MM diameter handlebars, which is the most common standard size found on motorcycles and electric motorcycles worldwide.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this brake pump on both the left and right side of my handlebar?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This master cylinder is available in both left master cylinder and right master cylinder configurations. Please select your preferred side when ordering.\"}}, {\"@type\": \"Question\", \"name\": \"What materials are used in this GP master cylinder?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The pump body is constructed from high-strength 7075 series aluminum alloy with a hard oxidation surface coating, while the lever is made from 6063 aluminum alloy. 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